Why did the group in hiding want more people to come and live with them?
There are several references to this is the manuscripts, and the answer may be rather a mystery. It is not as if the eight in hiding had plenty of space; the proposal seems to have been to house additional people in the living room. Possibly the best explanation is that of a Jewish characteristic of accumulating in large and dense groups to feel ‘safety in numbers.’ (The word ghetto originally described a Jewish quarter.